Scanner



FIG. 1 is a front perspective view of a scanner showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top plan view thereof.

The portions in broken lines are not claimed. 

The ornamental design for a scanner, as shown and described. 